Question: What was the population of Freiburg im Breisgau in 1968?
Paraphrase: In 1968, what was the population of Freiburg im Breisgau?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q2833 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1968')) }